Home / 1,140,393.13-1,709,408.61-938,593.17

Finding the Fourth Proportional to 1,140,393.13, 1,709,408.61 and 938,593.17

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Solution

The fourth proportional to 1,140,393.13, 1,709,408.61 and 938,593.17 is: 1,406,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,393.13 : 1,709,408.61 = 938,593.17 : x
  2. Step 2: Convert to fraction form
    1,140,393.13/1,709,408.61 = 938,593.17/x
  3. Step 3: Cross multiply
    1,140,393.13x = 1,709,408.61 × 938,593.17
  4. Step 4: Simplify right side
    1,140,393.13x = 1,604,439,246,085.19
  5. Step 5: Solve for x
    x = 1,604,439,246,085.19/1,140,393.13
  6. Step 6: Final answer
    x = 1,406,917.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.